A METHOD OF OBTAINING LEAD AND ORGANOLEAD FROM CONTAMINATED MEDIA USING METAL ACCUMULATING PLANTS - Patent 0648192

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EP 0 648 192 A1

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(43)	Date of publication:
	19.04.1995 Bulletin 1995/16

(21)	Application number: 93916699.0

(22)	Date of filing: 28.06.1993

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International Patent Classification (IPC):

C02F 3/ 32^{( . )}
C22B 3/ 18^{( . )}

C12S 1/ 00^{( . )}
C22B 13/ 00^{( . )}

(86)	International application number:
	PCT/US1993/005996

(87)	International publication number:
	WO 1994/001367 (20.01.1994 Gazette 1994/03)

(84)	Designated Contracting States:
	AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE

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Priority:

02.07.1992 US 19920908279

(71)	Applicant: E.I. DU PONT DE NEMOURS AND COMPANY
	Wilmington Delaware 19898 (US)

(72)	Inventor:
	CUNNINGHAM, Scott, Daniel Chadds Ford, PA 19317 (US)

(74)	Representative: Jones, Alan John, et al
	CARPMAELS & RANSFORD 43 Bloomsbury Square London, WC1A 2RA London, WC1A 2RA (GB)

(54)	A METHOD OF OBTAINING LEAD AND ORGANOLEAD FROM CONTAMINATED MEDIA USING METAL ACCUMULATING PLANTS